load reference answer

utils/data_loader.py

@@ -43,7 +43,8 @@ def create_dummy_example():
         "full_contexts": [],
         "Answerable": False,
         "insufficient": True,
-        "insufficient_reason": "Data loading error"
+        "insufficient_reason": "Data loading error",
+        "answer": "No reference answer available due to data loading error."
     }
 
 def get_random_example():
@@ -67,7 +68,8 @@ def get_random_example():
         "Answerable": not example.get('insufficient', False),
         "insufficient": example.get('insufficient', False),
         "insufficient_reason": example.get('insufficient_reason', ''),
-        "sample_id": example.get('sample_id', 0)
+        "sample_id": example.get('sample_id', 0),
+        "answer": example.get('answer', '')  # NEW: Extract reference answer from CSV
     }
     
     # Process the context description - ensure it's a non-empty string